Siemens Micromaster 430 or MM430 Drive
2
Posts
1
Users
0
Reactions
131
Views
Jun 11, 2022 7:48 am
How can resolve problem F0450 fault in siemens micromaster 430 or MM430 drive ?
1 Reply
Jun 11, 2022 7:50 am
Cause : BIST Tests Failure.
Possible Causes
Fault value = 1: Some power section tests have failed
2: Some control board tests have failed
4: Some functional tests have failed
8: Some IO board tests have failed (MM 420 only)
16: Internal RAM failed on power-up check
Diagnose & Remedy - Hardware defect.
